Batak

Batak
Halak Batak
	Toba Batak male and female wearing traditional clothes
Total population
	8,466,969 (2010 census)
Regions with significant populations
Indonesia	8,466,969
North Sumatra	5,785,716
Riau	691,399
West Java	467,438
Jakarta	326,645
West Sumatra	222,549
Riau Islands	208,678
Aceh	147,295
Banten	139,259
Jambi	106,249
Malaysia	30,000
Singapore	unknown
United States	unknown
Languages
	Native:; Batak languages; Indonesian; ; Dialects: Toba (around Lake Toba), Karo (Karo Highlands), Simalungun (Simalungun Regency), Pakpak (Dairi region), Angkola–Mandailing (South Tapanuli); ; Other:; Minangkabau (in diaspora); Malay; English; Dutch; Arabic (for religious use); ;
Religion
	• Christianity (Protestantism and Catholicism) 55.62%; • Sunni Islam 44.17%; • Buddhism 0.11%; • Hinduism 0.017%; • Traditional religions (Parmalim, Pemena, etc.) 0.08%
Related ethnic groups
	Austronesian peoples; Nias; Minangkabau; Malay;

Batak is a collective term used to identify a number of closely related Austronesian ethnic groups predominantly found in North Sumatra, Indonesia, who speak Batak languages. The term is used to include the Karo, Pakpak, Simalungun, Toba, Angkola, Mandailing and related ethnic groups with distinct languages and traditional customs (adat).